/Engine/Source/Runtime/SlateCore/Public/Layout/WidgetSlotWithAttributeSupport.h
FChildren::SupportSlotWithSlateAttribute
template<typename SlotType> class TWidgetSlotWithAttributeSupport : public [TSlotBase< SlotType >](API\Runtime\SlateCore\TSlotBase), public [SlateAttributePrivate::ISlateAttributeContainer](API\Runtime\SlateCore\Types\Attributes\ISlateAttributeContainer)